Vulnerability Details CVE-2011-2165
The STARTTLS implementation in WatchGuard XCS 9.0 and 9.1 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.095
EPSS Ranking 92.4%
CVSS Severity
CVSS v2 Score 6.8
References
- http://secunia.com/advisories/44753
- http://www.kb.cert.org/vuls/id/555316
- http://www.kb.cert.org/vuls/id/MAPG-8D9M75
- http://www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_9_1_1/EN_ReleaseNotes_WG_XCS_9_1_TLS_Hotfix.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67729
- http://secunia.com/advisories/44753
- http://www.kb.cert.org/vuls/id/555316
- http://www.kb.cert.org/vuls/id/MAPG-8D9M75
- http://www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_9_1_1/EN_ReleaseNotes_WG_XCS_9_1_TLS_Hotfix.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67729
Products affected by CVE-2011-2165
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cpe:2.3:a:watchguard:xcs:9.0
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cpe:2.3:a:watchguard:xcs:9.1